//******************************************************************************
//
// Copyright (c) 2016 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//******************************************************************************

#pragma once

#import <UIKit/UIKitExport.h>
#import <Foundation/NSObject.h>

@class UIFocusUpdateContext;
@class UIFocusAnimationCoordinator;
@class UIView;

@protocol UIFocusEnvironment <NSObject>
- (void)setNeedsFocusUpdate;
- (void)updateFocusIfNeeded;
- (BOOL)shouldUpdateFocusInContext:(UIFocusUpdateContext*)context;
- (void)didUpdateFocusInContext:(UIFocusUpdateContext*)context withAnimationCoordinator:(UIFocusAnimationCoordinator*)coordinator;

// The docs say this is a weak reference, but we can't enable that until we have ARC on in UIKit
@property (nonatomic, readonly) UIView* preferredFocusedView;
@end
